Caldwell County, KY ZIP Codes
3 ZIP codes cover all or part of Caldwell County, Kentucky: 42445, 42408 and 42411. The Census Bureau counts 12,618 residents in the county, with a median household income of $59,583 and a median home value of $118,500. Median household income ranges from $55,096 in 42445 to $61,063 in 42411. Its largest communities include Princeton, Fredonia and Crayne.
Caldwell County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 12,618 |
| Households | 5,025 |
| Median household income | $59,583 |
| Median home value | $118,500 |
| Median age | 42.4 |
| Median rent | $767 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 18,423 |
| Households (sum of ZIP codes) | 7,369 |
| Median household income, range across ZIP codes | $55,096 (42445) to $61,063 (42411) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $57,523 |
| Homeowners | 71.5% |
| Households with kids under 18 | 30.8% |
| Moved in the past year | 7.2% |
| Carrier routes in EDDM2GO's route library | 18 routes, 8,029 homes (3 of 3 ZIP codes) |
Top facts
- Highest median household income in Caldwell County: 42411 ($61,063)
- Most residents: 42445 (10,533 people)
- Highest homeownership: 42411 (89.2% own their home)
- Most households with kids: 42411 (35.1% of households)
- Most new movers: 42408 (8.3% moved in last year)
- Youngest median age: 42411 (41.6 years)
- Highest median home value: 42445 ($118,100)
Every ZIP code in Caldwell County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 42445 | Princeton | 10,533 | 4,310 | $55,096 | $118,100 | 65.9% | 29.5% | 7.5% | 10 | 5,082 | 91% of its land |
| 42408 | Dawson Springs | 5,888 | 2,246 | $60,900 | $92,200 | 75.9% | 31.9% | 8.3% | 6 | 2,570 | 27% of its land |
| 42411 | Fredonia | 2,002 | 813 | $61,063 | $97,100 | 89.2% | 35.1% | 2.8% | 2 | 751 | 68% of its land |
A ZIP code is listed for Caldwell County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Princeton — 6,241 residents · 1 ZIP code
- Fredonia — 466 residents · 1 ZIP code
- Crayne — 71 residents · 1 ZIP code
Price a mailing to Caldwell County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Caldwell County, KY?
- 42445, 42408 and 42411. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Caldwell County?
- 12,618 residents in 5,025 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Caldwell County?
- $59,583 for the county as a whole. Its ZIP codes range from $55,096 (42445) to $61,063 (42411).
- Which Caldwell County ZIP code has the highest median household income?
- 42411, at $61,063, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Caldwell County?
- For the 3 of 3 ZIP codes in EDDM2GO's stored route library: 18 carrier routes reaching 8,029 residential and 376 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.